University of Twente Student Theses


Low-cost Autonomous Temperature Measurements System

Pijnappel, M.C. (2020) Low-cost Autonomous Temperature Measurements System.

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Abstract:The ITC wants to develop an accurate weather model for the city of Enschede. To accomplish this eighty sensor nodes will be distributed through the city of Enschede. The goal of this graduation project is to build one of those low-cost autonomous sensor nodes. The sensors of the node are under \EUR{400,-} and measure air temperature, solar radiation, relative humidity, and wind speed. The sensors also meet the requirements set by the ITC. Besides the senors, a power management system was built and a housing that protects it. This study finds that the sensors perform well and an housing that allows for easy swapping of sensors. And power is provided by solar energy with a li-ion battery. The whole system is controlled by an ESP32. For future work, it would be recommended to implement a system that stops charging at sub-zero temperatures since that can damage the battery.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:43 environmental science
Programme:Creative Technology BSc (50447)
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